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# AUVoiceIOMutedSpeechActivityEventListener

A block that the system calls to indicate speech activity while the user has the microphone muted.

```
typealias AUVoiceIOMutedSpeechActivityEventListener = (AUVoiceIOSpeechActivityEvent) -> Void
```

## Parameters

`event`

An event that indicates whether muted speech started or ended.

---

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